Ticket #33890: multipcompilers.patch

new file dports/_resources/port1.0/group/multiplecompilers-1.0.tcl

@@ +1 @@
+# -*- coding: utf-8; mode: tcl; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf-8:ft=tcl:et:sw=4:ts=4:sts=4
+# $Id$
+#
+# Copyright (c) 2012 The MacPorts Project
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. Neither the name of The MacPorts Project nor the names of its
+#    contributors may be used to endorse or promote products derived from
+#    this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+#
+# This PortGroup sets up default variants for projects that want m
+#
+# Usage:
+#
+#   PortGroup               multiplecompilers 1.0
+
+# build database of gcc 4{4..7} compiler attributes
+foreach v {4 5 6 7} {
+    set db(gcc4$v,variant)  "gcc4$v"
+    set db(gcc4$v,compiler) "macports-gcc-4.$v"
+    set db(gcc4$v,descrip)  "MacPorts gcc 4.$v"
+    set db(gcc4$v,depends)  port:gcc4$v
+    set db(gcc4$v,flags)    {
+        {{"-PIC"} {"-fPIC"}}
+    }
+}
+
+set db(clang,variant)  clang
+set db(clang,compiler) clang
+set db(clang,descrip)  "Mac OS X clang"
+set db(clang,depends)  bin:clang:clang
+set db(clang,flags)    {
+    {{"-PIC"} {"-fPIC"}}
+}
+
+set db(llvm,variant)  llvm
+set db(llvm,compiler) llvm-gcc-4.2
+set db(llvm,descrip)  "Mac OS X llvm-gcc 4.2"
+set db(llvm,depends)  bin:llvm-gcc-4.2:llvm-gcc42
+set db(llvm,flags)    {
+    {{"-fPIC"} {"-PIC"}}
+}
+
+set db(system_gcc,variant)  system_gcc
+set db(system_gcc,compiler) gcc-4.2
+set db(system_gcc,descrip)  "Mac OS X gcc 4.2"
+set db(system_gcc,depends)  bin:gcc-4.2:llvm-gcc42
+set db(system_gcc,flags)    {
+    {{"-fPIC"} {"-PIC"}}
+}
+
+set variants {}
+foreach name [array names db *,variant] {
+    lappend variants $db($name)
+}
+
+foreach variant $variants {
+    if {[variant_exists $variant]} {
+        ui_debug "$variant variant already exists, so not adding the default one"
+    } else {
+        set i [lsearch -exact $variants $variant]
+        set c [lreplace $variants $i $i]
+
+        # for each pair of flags (old,new), build a string of if statements to replace old with new
+        set f ""
+        foreach flag $db($variant,flags) {
+            foreach {old new} $flag {
+                append f [subst {
+                    if {\[string first $old \${configure.cflags}\] > -1} {
+                        configure.cflags-delete $old
+                        configure.cflags-append $new
+                    }
+                    if {\[string first $old \${configure.cxxflags}\] > -1} {
+                        configure.cxxflags-delete $old
+                        configure.cxxflags-append $new
+                    }
+                }]
+            }
+        }
+
+        eval [subst {
+            variant ${variant} description {Build using the $db($variant,descrip) compiler} conflicts $c {
+                depends_lib-append $db($variant,depends)
+                configure.compiler $db($variant,compiler)
+
+                $f
+            }
+        }]
+    }
+}
+
+default_variants +clang